Nodejs String Format format(args)

Method Source Code

String.prototype.format = function(args) {
    var result = this;
    if (arguments.length < 1) {
        return result;
    }//from w  w  w  .ja va2  s  .  com

    var data = arguments; 
    if (arguments.length == 1 && typeof (args) == "object") {
        data = args;
    }
    for ( var key in data) {
        var value = data[key];
        if (undefined != value) {
            result = result.replaceAll("\\{" + key + "\\}", value);
        }
    }
    return result;
}

Related

1. format(args)

   String.prototype.format = function(args) {
     return this.replace(/{([^{}]*)}/g, function (fullMatch, subMatch) {
       var value = args[subMatch];
       return (typeof value === 'string' || typeof value === 'number') ? value : fullMatch;
     });
   };
   

2. format(args)

   String.prototype.format = function (args) {
     var str = this;
     return str.replace(String.prototype.format.regex, function(item) {
       var intVal = parseInt(item.substring(1, item.length - 1));
       var replace;
       if (intVal >= 0) {
         replace = args[intVal];
       } else if (intVal === -1) {
         replace = "{";
   ...
   

3. format(args)

   String.prototype.format = function(args) { 
     if (arguments.length>0) {
       var result = this; 
       if (arguments.length == 1 && typeof (args) == "object") { 
         for (var key in args) { 
           var reg=new RegExp ("({"+key+"})","g"); 
           result = result.replace(reg, args[key]); 
       } else { 
   ...
   

4. format(args)

   'use strict';
   String.prototype.format = function (args) {
       var str = this;
       return str.replace(String.prototype.format.regex, function(item) {
           var intVal = parseInt(item.substring(1, item.length - 1));
           var replace;
           if (intVal >= 0) {
               replace = args[intVal];
           } else if (intVal === -1) {
   ...
   

5. format(args)

   String.prototype.format = function (args) {
       'use strict';
       var str = this;
       return str.replace(String.prototype.format.regex, function (item) {
           var intVal = parseInt(item.substring(1, item.length - 1));
           var replace;
           if (intVal >= 0) {
               replace = args[intVal];
           } else if (intVal === -1) {
   ...
   

6. format(args)

   String.prototype.format = function (args) {
     var str = this;
     return str.replace(String.prototype.format.regex, function(item) {
       var intVal = parseInt(item.substring(1, item.length - 1));
       var replace;
       if (intVal >= 0) {
         replace = args[intVal];
       } else if (intVal === -1) {
         replace = "{";
   ...
   

7. format(args)

   'use strict';
   String.prototype.format = function (args) {
     if (arguments.length > 0) {
       var result = this;
       if (arguments.length == 1 && typeof (args) == "object") {
         for (var key in args) {
           result = result.replace(new RegExp("({" + key + "})", "g"), args[key]);
       else {
         for (var i = 0; i < arguments.length; i++) {
           if (arguments[i] == undefined) {
             return "";
           else {
             var reg = new RegExp("({[" + i + "]})", "g");
             result = result.replace(reg, arguments[i]);
       return result;
     else {
       return this;
   };
   

8. format(args)

   String.prototype.format = function(args) {
       var result = this;
       if (arguments.length > 0) {    
           if (arguments.length == 1 && typeof (args) == "object") {
               for (var key in args) {
                   if(args[key]!=undefined){
                       var reg = new RegExp("({" + key + "})", "g");
                       result = result.replace(reg, args[key]);
           else {
               for (var i = 0; i < arguments.length; i++) {
                   if (arguments[i] != undefined) {
                       var reg = new RegExp("({[" + i + "]})", "g");
                       result = result.replace(reg, arguments[i]);
       return result;
   

9. format(args)

   String.prototype.format = function (args) {
       var result = this;
       if (arguments.length > 0) {
           if (arguments.length == 1 && typeof (args) == "object") {
               for (var key in args) {
                   if (args[key] != undefined) {
                       var reg = new RegExp("({" + key + "})", "g");
                       result = result.replace(reg, args[key]);
           else {
               for (var i = 0; i < arguments.length; i++) {
                   if (arguments[i] != undefined) {
                       var reg = new RegExp("({)" + i + "(})", "g");
                       result = result.replace(reg, arguments[i]);
       return result;